Method of making patterns for metal castings.

Invention Grant

US814209A Method of making patterns for metal castings. 失效

Title translation: 制作金属铸件图案的方法。

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Patent Title: Method of making patterns for metal castings.
Patent Title (中): 制作金属铸件图案的方法。
Application No.: US1905256179

Application Date: 1905-04-18
Publication No.: US814209A

Publication Date: 1906-03-06
Inventor: HOLSTEIN ADOLPH M
Applicant: HOLSTEIN ADOLPH M
Assignee: Adolph M Holstein
Current Assignee: Adolph M Holstein
Priority: US1905256179 1905-04-18

Method of making patterns for metal castings.

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