Invention Grant
- Patent Title: Brick for furnace construction.
- Patent Title (中): 烤炉结构。
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Application No.: US1908441495Application Date: 1908-07-01
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Publication No.: US907683APublication Date: 1908-12-22
- Inventor: COTTON ALFRED
- Applicant: COTTON ALFRED
- Assignee: Alfred Cotton
- Current Assignee: Alfred Cotton
- Priority: US1906307982 1906-03-26; US1908441495 1908-07-01
Information query
