JPS6176828U - - Google Patents

Info

Publication number
JPS6176828U
JPS6176828U JP15889384U JP15889384U JPS6176828U JP S6176828 U JPS6176828 U JP S6176828U JP 15889384 U JP15889384 U JP 15889384U JP 15889384 U JP15889384 U JP 15889384U JP S6176828 U JPS6176828 U JP S6176828U
Authority
JP
Japan
Prior art keywords
underdrain
hard sheets
crimping
laminating
synthetic resin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP15889384U
Other languages
English (en)
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP15889384U priority Critical patent/JPS6176828U/ja
Publication of JPS6176828U publication Critical patent/JPS6176828U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Sewage (AREA)
JP15889384U 1984-10-19 1984-10-19 Pending JPS6176828U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15889384U JPS6176828U (enrdf_load_stackoverflow) 1984-10-19 1984-10-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15889384U JPS6176828U (enrdf_load_stackoverflow) 1984-10-19 1984-10-19

Publications (1)

Publication Number Publication Date
JPS6176828U true JPS6176828U (enrdf_load_stackoverflow) 1986-05-23

Family

ID=30716860

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15889384U Pending JPS6176828U (enrdf_load_stackoverflow) 1984-10-19 1984-10-19

Country Status (1)

Country Link
JP (1) JPS6176828U (enrdf_load_stackoverflow)

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