ISO 1628-4塑料 测定稀溶液中聚合物的粘度 第4部分
kinematic viscometers Specifications and operating instructions.
ISO 4793 Laboratory sintered (fritted) filters Porosity grading, classification and designation.
ISO 7391-1 Plastics Polycarbonate (PC) moulding and extrusion materials Part 1: Designation system and basis for specifications.
ISO 7391-2 Plastics Polycarbonate (PC) moulding and extrusion materials Part 2: Preparation of test specimens and determination of properties.
ISO 1628-4塑料 用毛细管粘度计测定稀溶液中聚合物的粘度 第4部
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