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经营范围
发明名称
SOUND ABSORBING SHEET
摘要
申请公布号
JPH01298052(A)
申请公布日期
1989.12.01
申请号
JP19880128760
申请日期
1988.05.26
申请人
MATSUSHITA ELECTRIC WORKS LTD
发明人
UMEOKA KAZUAKI;OKUDAIRA YUZO
分类号
C04B32/00
主分类号
C04B32/00
代理机构
代理人
主权项
地址
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