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发明名称
HOLLOW GLASS PARTICLES AND METHOD OF PRODUCING THE SAME
摘要
申请公布号
CA681173(A)
申请公布日期
1964.03.03
申请号
CAD681173
申请日期
申请人
THE STANDARD OIL COMPANY
发明人
FRANKLIN VEATCH;HARVEY E. ALFORD;RICHARD D. CROFT
分类号
主分类号
代理机构
代理人
主权项
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