四方“出击”同奏凯歌──记发明企业家张力毛炳汉１９９３年１０月下旬的一天，第七届全国发明展览会在河北省博物馆开幕了，平时显得空阔的展厅充满了琳琅满目的展品、图表、招牌和熙熙攘攘的人群，一下子似乎小了许多。我在人隙中穿过，来到二楼最西的大厅，这里是经过... Quartet “attack” with the triumphant triumph ─ ─ remember the entrepreneur Zhang Li Mao Binghan In late October 1993 one day, the Seventh National Invention Exhibition opened in Hebei Museum, the usually empty exhibition hall is full of an array of exhibits, charts Signboards and bustling crowds all of a sudden seem a lot smaller. I walk through the gap, came to the west hall on the second floor, here is after ...