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经营范围
发明名称
Mechanism for securing shoulder and neck members upon sheet-metal canisters
摘要
申请公布号
GB440264(A)
申请公布日期
1935.12.20
申请号
GB19340018199
申请日期
1934.06.20
申请人
WILLIAM ARTHUR CRABTREE
发明人
分类号
B21D51/32
主分类号
B21D51/32
代理机构
代理人
主权项
地址
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