CN205453940U - 一种便携式井下行为记录仪 - Google Patents
一种便携式井下行为记录仪 Download PDFInfo
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- CN205453940U CN205453940U CN201521117939.2U CN201521117939U CN205453940U CN 205453940 U CN205453940 U CN 205453940U CN 201521117939 U CN201521117939 U CN 201521117939U CN 205453940 U CN205453940 U CN 205453940U
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Application Number | Priority Date | Filing Date | Title |
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CN201521117939.2U CN205453940U8 (zh) | 2015-12-30 | 2015-12-30 | 一种便携式井下行为记录仪 |
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CN201521117939.2U CN205453940U8 (zh) | 2015-12-30 | 2015-12-30 | 一种便携式井下行为记录仪 |
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CN205453940U true CN205453940U (zh) | 2016-08-10 |
CN205453940U8 CN205453940U8 (zh) | 2017-04-26 |
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CN201521117939.2U Active CN205453940U8 (zh) | 2015-12-30 | 2015-12-30 | 一种便携式井下行为记录仪 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CU01 | Correction of utility model patent | ||
CU01 | Correction of utility model patent |
Correction item: Inventor Correct: Zhang Chunyan|Fu Tao|Shen Zhuorui|Ma Xiangyang|Zhang Yin False: Zhang Chunyan|Shen Zhuorui|Ma Xiangyang|Zhang Yin|Other inventors ask not to disclose names Number: 32 Page: The title page Volume: 32 |
|
CU03 | Correction of utility model patent gazette | ||
CU03 | Correction of utility model patent gazette |
Correction item: Inventor Correct: Zhang Chunyan|Fu Tao|Shen Zhuorui|Ma Xiangyang|Zhang Yin False: Zhang Chunyan|Shen Zhuorui|Ma Xiangyang|Zhang Yin|Other inventors ask not to disclose names Number: 32 Volume: 32 |