Invention Grant
- Patent Title: Pressure converter means
- Patent Title (中): 压力变换装置
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Application No.: US52986844Application Date: 1944-04-06
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Publication No.: US2536140APublication Date: 1951-01-02
- Inventor: ROCKWELL EDWARD A
- Applicant: ROCKWELL EDWARD A
- Assignee: Edward A Rockwell
- Current Assignee: Edward A Rockwell
- Priority: US52986844 1944-04-06; CA2588048X 1940-12-30; US31235640 1940-01-04; US47624843 1943-02-17
- Main IPC: B60T13/14
- IPC: B60T13/14 ; B60T13/16 ; B60T13/58 ; F15B17/00 ; F15B21/00
Information query
IPC分类:
