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6 sept. 1968 - 1968年9月6日是日上海乳品机械厂制成中国第-台用于养蜂的自动巢础母机。

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1968年9月6日是日上海乳品机械厂制成中国第-台用于养蜂的自动巢础母机。

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工业大事年表

ByLoo Qoo
2 sept. 2023
1
0
686

Date:

6 sept. 1968
Maintenaint
~ Il y a 57 ans
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