Printing plate and method for forming the same

Invention Grant

US1991009A Printing plate and method for forming the same 失效

Title translation: 印版及其形成方法

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Patent Title: Printing plate and method for forming the same
Patent Title (中): 印版及其形成方法
Application No.: US54645631

Application Date: 1931-06-24
Publication No.: US1991009A

Publication Date: 1935-02-12
Inventor: BROWNE THEODORE C , BUTTFIELD ALFRED C
Applicant: BROWNE THEODORE C , BUTTFIELD ALFRED C
Assignee: Theodore C Browne,Alfred C Buttfield
Current Assignee: Theodore C Browne,Alfred C Buttfield
Priority: US54645631 1931-06-24

Printing plate and method for forming the same

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