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- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.5/a 3: (v.nos.&nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.5:659-665/t.p.&cont.
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.5:(v.nos.)/t.p.&cont.
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.5:(v.nos.) /t.p.&cont.
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.5/a 3:629/1-634/5
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.5/a 3:635/1-639/5
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.5:653-658/t.p.&cont.
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.5/a 3:654/1-659/4
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.5/a 3:647/1-653/4
- Corporate/Agency Authors:
- Public Roads Bureau and Commerce Dept.
- Publisher:
- Public Roads Bureau
- SuDoc number:
- C 37.9:950/4-10