CN204876085U - 一种预制件预埋胀管及混凝土预制件 - Google Patents
一种预制件预埋胀管及混凝土预制件 Download PDFInfo
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CN110839447A (zh) * | 2019-11-21 | 2020-02-28 | 南京凯富太阳能科技有限公司 | 一种用于温室修建的预埋件及其施工使用方法 |
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CN110839447A (zh) * | 2019-11-21 | 2020-02-28 | 南京凯富太阳能科技有限公司 | 一种用于温室修建的预埋件及其施工使用方法 |
CN110839447B (zh) * | 2019-11-21 | 2021-05-04 | 南京凯富太阳能科技有限公司 | 一种用于温室修建的预埋件施工使用方法 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT CO., LTD. Assignor: Zhong Minzhuyou Co., Ltd Contract record no.: 2017430000027 Denomination of utility model: Pre -buried expand tube of prefab and precast concrete spare Granted publication date: 20151216 License type: Exclusive License Record date: 20171222 |
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EC01 | Cancellation of recordation of patent licensing contract |
Assignee: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT CO., LTD. Assignor: Zhong Minzhuyou Co., Ltd Contract record no.: 2017430000027 Date of cancellation: 20180801 |
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EC01 | Cancellation of recordation of patent licensing contract | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: China Civil Architecture Friends Technology (Jiaozhou) Co., Ltd. Assignor: CHINA MINGSHENG DRAWIN TECHNOLOGY INVESTMENT CO., LTD. Contract record no.: 2018430000023 Denomination of utility model: Pre -buried expand tube of prefab and precast concrete spare Granted publication date: 20151216 License type: Common License Record date: 20190102 |
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EE01 | Entry into force of recordation of patent licensing contract |