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发明名称
摘要
申请公布号
JPS5519879(B2)
申请公布日期
1980.05.29
申请号
JP19730142185
申请日期
1973.12.18
申请人
发明人
分类号
F15B11/16;B66D1/26;B66D1/44;B66D1/74
主分类号
F15B11/16
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