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发明名称
Refractory
摘要
申请公布号
US1861759(A)
申请公布日期
1932.06.07
申请号
US19280315779
申请日期
1928.10.29
申请人
SOPER JR GEORGE A
发明人
JR. GEORGE A. SOPER,
分类号
C04B41/50;C04B41/87
主分类号
C04B41/50
代理机构
代理人
主权项
地址
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