国家/地区 中国（2）
IPC部 B（2）
IPC大类 B08（2）
IPC小类 B08B（2）
IPC C08K003/04（2）
发明人
公开年 2021（2）
申请年
专利权人

Rubber open mill useful for anti-tensile air cushion ship comprises upper part of first milling roller provided with limiting sliding rod which slidingly connected with moving block on circumferential surface, and two sides of moving rod are slidingly connected in moving limiting groove.

QIU Z

Reinforced wear-resistant polyethylene water supply pipe, includes inner layer prepared from polyethylene resin, graphene functional masterbatch, core layer made of polyethylene graft resin, and outer layer of block copolymer polypropylene.

LIU J, WAN G, WANG J, TENG X, FU Y, LI H