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发明名称
Procédé de fabrication perfectionné des fermetures de boîtes métalliques, et fermetures obtenues par ce procédé
摘要
申请公布号
FR769264(A)
申请公布日期
1934.08.23
申请号
FRD769264
申请日期
1933.05.20
申请人
发明人
LONGCHAMP LOUIS, CASIMIR
分类号
B21D51/38
主分类号
B21D51/38
代理机构
代理人
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地址
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