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发明名称
GEAR-TYPE ROTARY MACHINE
摘要
申请公布号
US3574491(A)
申请公布日期
1971.04.13
申请号
USD3574491
申请日期
1969.04.22
申请人
ERICH MARTIN
发明人
ERICH MARTIN
分类号
F01C1/12;F01C1/18;F01C21/00;F01C21/18;(IPC1-7):F01C1/18
主分类号
F01C1/12
代理机构
代理人
主权项
地址
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