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发明名称
Gas holder of the piston closure type
摘要
申请公布号
US1918894(A)
申请公布日期
1933.07.18
申请号
US19300505861
申请日期
1930.12.31
申请人
REINHOLD BERGFELD
发明人
BERGFELD REINHOLD
分类号
F17B1/04
主分类号
F17B1/04
代理机构
代理人
主权项
地址
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