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发明名称
SAFETY CONTROL
摘要
申请公布号
US3489912(A)
申请公布日期
1970.01.13
申请号
USD3489912
申请日期
1967.12.07
申请人
HOWARD HOFFMAN JR.
发明人
HOWARD HOFFMAN JR.
分类号
B63J2/06;F02N15/10;F02P11/04;(IPC1-7):B63J2/06
主分类号
B63J2/06
代理机构
代理人
主权项
地址
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