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发明名称
Castellating machine
摘要
申请公布号
US1797834(A)
申请公布日期
1931.03.24
申请号
US19280316528
申请日期
1928.11.01
申请人
MOULTON LLOYD W
发明人
MOULTON LLOYD W.
分类号
B23G9/00
主分类号
B23G9/00
代理机构
代理人
主权项
地址
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