CN206844189U - 绞吸船螺旋刀头 - Google Patents
绞吸船螺旋刀头 Download PDFInfo
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- CN206844189U CN206844189U CN201720522947.8U CN201720522947U CN206844189U CN 206844189 U CN206844189 U CN 206844189U CN 201720522947 U CN201720522947 U CN 201720522947U CN 206844189 U CN206844189 U CN 206844189U
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- tooth
- cutter head
- upper table
- spiral cutter
- table surface
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CN201720522947.8U CN206844189U (zh) | 2017-05-11 | 2017-05-11 | 绞吸船螺旋刀头 |
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Legal Events
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GR01 | Patent grant | ||
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TR01 | Transfer of patent right |
Effective date of registration: 20190401 Address after: 262518 Ma Song Village, Huanglou Street Office, Qingzhou City, Weifang City, Shandong Province Patentee after: Shandong Kehan Environmental Protection Technology Co., Ltd. Address before: 262518 Ma Song Village, Huanglou Town, Qingzhou City, Weifang City, Shandong Province Patentee before: Qingzhou Julong Environmental Protection Technology Co., Ltd. |
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TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20191220 Address after: Huang Lou Zhen Ma song Cun, Qingzhou City, Weifang City, Shandong Province Patentee after: Qingzhou Julong Environmental Protection Technology Co., Ltd. Address before: 262518 Ma Song Village, Huanglou Street Office, Qingzhou City, Weifang City, Shandong Province Patentee before: Shandong Kehan Environmental Protection Technology Co., Ltd. |
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TR01 | Transfer of patent right |