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经营范围
发明名称
Improvements in or relating to processes for closing receptacles made of thin walls and receptacles made of thin walls closed by these processes
摘要
申请公布号
GB507775(A)
申请公布日期
1939.06.21
申请号
GB19370035790
申请日期
1937.12.24
申请人
SOCIETE D'ETUDES CHIMIQUES POUR L'INDUSTRIE
发明人
分类号
B21D51/26
主分类号
B21D51/26
代理机构
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