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快乐发明：20小时让你成为小小发明家

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Bibliographic Details
Main Authors: 任新年 (任新年编著)
Published: 知识产权出版社
Publisher Address: 北京
Publication Dates: 2015
Literature type: Book
Language: Chinese
Subjects:
创造发明 > 青少年读物
Carrier Form: 97页: 图 ; 24cm
ISBN: 978-7-5130-2995-7
Index Number: N19
CLC: N19-49
Call Number: N19-49/2208

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