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发明名称
Method of and apparatus for making rubber tubes
摘要
申请公布号
US2022230(A)
申请公布日期
1935.11.26
申请号
US19300489396
申请日期
1930.10.17
申请人
WILLIAM WALLACE POTTER
发明人
CAVANAGH JOHN F.
分类号
B29D23/24
主分类号
B29D23/24
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