柯伯胶

  • 网络COPAL GUM

柯伯胶柯伯胶

柯伯胶

COPAL GUM

GUM - CAS号查询 ... 乳香胶 OLIBANUM GUM; 柯伯胶 COPAL GUM; 羟丙基瓜儿胶 HYDROXYPROPYL GUAR; ...

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