硬强石膏之制造方法,申请号TW019862-传众专利搜索

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法人/股东/高管

发明名称	硬强石膏之制造方法
摘要
申请公布号	TW011556	申请公布日期	1972.10.01
申请号	TW019862	申请日期	1972.01.26
申请人	曹永钦	发明人	曹永钦
分类号	B28B	主分类号	B28B
代理机构		代理人
主权项
地址	美国纽约14603罗契斯特

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