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发明名称
SOUNDPROOF LAGGING CONSTRUCTION OF DUCT
摘要
申请公布号
JPS56143896(A)
申请公布日期
1981.11.09
申请号
JP19810032427
申请日期
1981.03.09
申请人
MITSUBISHI HEAVY IND LTD
发明人
IWANAGA ATSUMASA
分类号
F16L55/02;F16L59/14;F24F13/02
主分类号
F16L55/02
代理机构
代理人
主权项
地址
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