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- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.16:(nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.10:(nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21:16
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.16:(nos.)
- Corporate/Agency Authors:
- Patent Office and Commerce Dept.
- Publisher:
- Patent Office
- SuDoc number:
- C 21.16:(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 3:660/1-665/5
- 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 21.5:659-665/t.p.&cont.