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- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.5/a 2: (v.nos.&nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.5/a 2:629/1-634/5
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.5/a 2:635/1-638/4
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.5/a 2:647/1-653/4
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.5/a 2:654/1-659/4
- 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/a 3: (v.nos.&nos.)
- 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/a 3: (v.nos.&nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.5:(v.nos.) /t.p.&cont.