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发明名称
Pneumatic power cylinder and means for preventing over-travel of its piston
摘要
申请公布号
US2339024(A)
申请公布日期
1944.01.11
申请号
US19430488479
申请日期
1943.05.26
申请人
JOHN M. HOPWOOD
发明人
MARKSON ALFRED A.
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