Car-vestibule diaphragm.

Invention Grant

US1082241A Car-vestibule diaphragm. 失效

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Patent Title: Car-vestibule diaphragm.
Application No.: US1913766713

Application Date: 1913-05-10
Publication No.: US1082241A

Publication Date: 1913-12-23
Inventor: SCHROYER HARRY H
Applicant: ACME SUPPLY COMPANY
Assignee: Acme Supply Company
Current Assignee: Acme Supply Company
Priority: US1913766713 1913-05-10

Car-vestibule diaphragm.

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