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发明名称
Regulation
摘要
申请公布号
US1898020(A)
申请公布日期
1933.02.21
申请号
US19300423913
申请日期
1930.01.28
申请人
STEPHEN W. BORDEN
发明人
ROE RALPH C.
分类号
F22D5/24
主分类号
F22D5/24
代理机构
代理人
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