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    1. Functions & features: It is one of the corollary equipments for impact test, specially used for specimen notch process, with good quality and identity. The finished samples comply with standard requirements of GB/T229-1994, ISO148: 1983, ISO83: 1976, etc. at home and abroad;    It is double-pole structure driven by mechanism, and can make two U-type or V-type notches at a time;    2. Main technical parameters:  |