Invention Grant
- Patent Title: Sheet metal gutter making machine
- Patent Title (中): 钣金制槽机
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Application No.: US33419353Application Date: 1953-01-30
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Publication No.: US2826235APublication Date: 1958-03-11
- Inventor: RAGNAR GUDMESTAD
- Applicant: ARTOS ENGINEERING CO
- Assignee: Artos Engineering Co
- Current Assignee: Artos Engineering Co
- Priority: US33419353 1953-01-30
- Main IPC: B21D5/08
- IPC: B21D5/08
Information query
