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发明名称
Hydraulic circuit
摘要
申请公布号
US2481991(A)
申请公布日期
1949.09.13
申请号
US19450630758
申请日期
1945.11.26
申请人
H-P-M DEVELOPMENT CORPORATION
发明人
ERNST WALTER
分类号
F15B3/00
主分类号
F15B3/00
代理机构
代理人
主权项
地址
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