皮革和制鞋材料用胶粘剂。粘结强度。最低要求和胶粘剂分类。

Adhesive for leather and footwear materials. bond strength. minimum requirements and adhesive classification.

youdao

皮革和制鞋材料用胶粘剂。粘结强度。最低要求和胶粘剂分类。

Adhesive for leather and footwear materials. bond strength. minimum requirements and adhesive classification.

youdao