Invention Grant
- Patent Title: Art of drying materials
- Patent Title (中): 烘干材料艺术
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Application No.: US6228636Application Date: 1936-02-04
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Publication No.: US2150445APublication Date: 1939-03-14
- Inventor: JENNINGS CHESTER S , GERARD FRANK W
- Applicant: LAMSON CO
- Assignee: Lamson Co
- Current Assignee: Lamson Co
- Priority: US6228636 1936-02-04
- Main IPC: F26B13/02
- IPC: F26B13/02 ; F26B13/10
Information query
IPC分类:
