基本信息:

• 专利标题： Bathtub tread
• 申请号：US609548 申请日：1975-09-02
• 公开(公告)号：USD243054S 公开(公告)日：1977-01-18
• 设计人： Thomas J. Nelson
• 申请人： Thomas J. Nelson

公开/授权文献:

• US5618930A  Phthalocyanine compound and method for making, nitro-substituted phthalocyanine compound, amino-substituted phthalocyanine compound, phthalocyanine-containing polymer and method for making, catalyst, and optical recording medium 公开/授权日：1997-04-08

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