Plastic acoustic pulp,申请号US19320640049-传众专利搜索

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发明名称	Plastic acoustic pulp
摘要
申请公布号	US1932807(A)	申请公布日期	1933.10.31
申请号	US19320640049	申请日期	1932.10.28
申请人	MARIO VALDASTRI	发明人	VALDASTRI MARIO
分类号	C08L91/00	主分类号	C08L91/00
代理机构		代理人
主权项
地址

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