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发明名称
Light-weight ceramic mass
摘要
申请公布号
US2400087(A)
申请公布日期
1946.05.14
申请号
US19430493855
申请日期
1943.07.08
申请人
HARTH PHILIP E
发明人
HARTH PHILIP E.
分类号
C04B38/10
主分类号
C04B38/10
代理机构
代理人
主权项
地址
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