Dang dai Fa ming jia /
当代发明家 /
Ben shu yi tong xun ti cai, zhen shi ji lu le 50 yu wei zai jin nian lai fa ming chuang zao zhong zuo chu gong xian de ren wu shi ji
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| Other Authors: | |
| Format: | Book |
| Language: | Chinese |
| Published: |
Beijing :
Hai yang chu ban she : Xin hua shu dian Beijing fa xing suo fa xing,
19uu -
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| Edition: | Di 1 ban |
| Subjects: |