Invention Grant
- Patent Title: Process for manufacture of briquets.
- Patent Title (中): 制造工艺流程。
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Application No.: US1911628033Application Date: 1911-05-18
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Publication No.: US1016939APublication Date: 1912-02-13
- Inventor: GRIPP FRIEDRICH OTTO
- Applicant: GRIPP FRIEDRICH OTTO
- Assignee: Friedrich Otto Gripp
- Current Assignee: Friedrich Otto Gripp
- Priority: US1911628033 1911-05-18
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