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发明名称
Improvements in the manufacture of tin-plated lead collapsible tubes
摘要
申请公布号
GB553398(A)
申请公布日期
1943.05.19
申请号
GB19420003200
申请日期
1942.03.11
申请人
BETTS & COMPANY LIMITED;EUSTACE STATHER-DUNN
发明人
分类号
B21C23/22
主分类号
B21C23/22
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