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- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- May 28, 1927
- SuDoc number:
- C 22.8/a:M 662/2
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- May 27, 1927
- SuDoc number:
- C 13.4:336
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- May 27, 1927
- SuDoc number:
- C 13.4:335
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- May 25, 1927
- SuDoc number:
- C 22.8/a:G 563/11/925
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- May 24, 1927
- SuDoc number:
- C 21.5/a 2:358/4
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- May 23, 1927
- SuDoc number:
- C 13.8:340
- Corporate/Agency Authors:
- Mines Bureau and Commerce Department
- Publisher:
- Mines Bureau
- Date:
- May 20, 1927
- SuDoc number:
- C 22.8/a:C 66/924
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- May 20, 1927
- SuDoc number:
- C 13.17:56/2
- Corporate/Agency Authors:
- Patent Office and Commerce Department
- Publisher:
- Patent Office
- Date:
- May 17, 1927
- SuDoc number:
- C 21.5/a 2:358/3
- Corporate/Agency Authors:
- Standards Bureau and Commerce Department
- Publisher:
- Standards Bureau
- Date:
- May 17, 1927
- SuDoc number:
- C 13.4:328