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发明名称
Spring motor
摘要
申请公布号
US1756783(A)
申请公布日期
1930.04.29
申请号
US19270159844
申请日期
1927.01.08
申请人
LEONARD B. MACCULLOUGH
发明人
COLLINS ARTHUR H.
分类号
F03G1/00
主分类号
F03G1/00
代理机构
代理人
主权项
地址
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