CN202691328U - 钢筒热浸锌处理的内衬式预应力钢筒混凝土管 - Google Patents
钢筒热浸锌处理的内衬式预应力钢筒混凝土管 Download PDFInfo
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- CN202691328U CN202691328U CN 201220308949 CN201220308949U CN202691328U CN 202691328 U CN202691328 U CN 202691328U CN 201220308949 CN201220308949 CN 201220308949 CN 201220308949 U CN201220308949 U CN 201220308949U CN 202691328 U CN202691328 U CN 202691328U
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CN 201220308949 CN202691328U (zh) | 2012-06-29 | 2012-06-29 | 钢筒热浸锌处理的内衬式预应力钢筒混凝土管 |
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CN 201220308949 CN202691328U (zh) | 2012-06-29 | 2012-06-29 | 钢筒热浸锌处理的内衬式预应力钢筒混凝土管 |
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Owner name: SHANDONG LONGQUAN PIPELINE ENGINEERING CO., LTD. Free format text: FORMER OWNER: XING SHIBO Effective date: 20131022 |
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Free format text: CORRECT: ADDRESS; FROM: 056038 HANDAN, HEBEI PROVINCE TO: 255200 ZIBO, SHANDONG PROVINCE |
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Effective date of registration: 20131022 Address after: 255200 No. 36 Shandong Road, Zibo Town, Boshan, Shandong, China Patentee after: SHANDONG LONGQUAN PIPELINE ENGINEERING Co.,Ltd. Address before: 056038 Department of materials engineering, Institute of equipment manufacturing, Hebei University of Engineering, Hebei, Handan Patentee before: Xing Shibo |
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CX01 | Expiry of patent term |
Granted publication date: 20130123 |
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CX01 | Expiry of patent term |