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发明名称
Chuck
摘要
申请公布号
US1885790(A)
申请公布日期
1932.11.01
申请号
US19310563690
申请日期
1931.09.19
申请人
LES FILS DE VIRGILE AMYOT
发明人
AMYOT PIERRE ULYSE JEAN
分类号
B23B31/12
主分类号
B23B31/12
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代理人
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