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发明名称
Differential pressure mechanism
摘要
申请公布号
US2135939(A)
申请公布日期
1938.11.08
申请号
US19360081003
申请日期
1936.05.21
申请人
H.B. MOTOR CORPORATION
发明人
JR. WILLIAM HARPER,
分类号
F04D17/12
主分类号
F04D17/12
代理机构
代理人
主权项
地址
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