Invention Grant
- Patent Title: Safety attachment for hoisting-engines.
- Patent Title (中): 安装引擎的安全附件。
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Application No.: US1909492503Application Date: 1909-04-27
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Publication No.: US946236APublication Date: 1910-01-11
- Inventor: GRAND AUGUSTUS L LE
- Applicant: GRAND AUGUSTUS L LE
- Assignee: Augustus L Le Grand
- Current Assignee: Augustus L Le Grand
- Priority: US1909492503 1909-04-27
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