KR900012298U - 조립식 절연보판 - Google Patents

조립식 절연보판

Info

Publication number
KR900012298U
KR900012298U KR2019880022092U KR880022092U KR900012298U KR 900012298 U KR900012298 U KR 900012298U KR 2019880022092 U KR2019880022092 U KR 2019880022092U KR 880022092 U KR880022092 U KR 880022092U KR 900012298 U KR900012298 U KR 900012298U
Authority
KR
South Korea
Prior art keywords
insulation board
prefabricated insulation
prefabricated
board
insulation
Prior art date
Application number
KR2019880022092U
Other languages
English (en)
Other versions
KR920000422Y1 (ko
Inventor
전창열
Original Assignee
포항종합제철 주식회사
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 by 포항종합제철 주식회사 filed Critical 포항종합제철 주식회사
Priority to KR2019880022092U priority Critical patent/KR920000422Y1/ko
Publication of KR900012298U publication Critical patent/KR900012298U/ko
Application granted granted Critical
Publication of KR920000422Y1 publication Critical patent/KR920000422Y1/ko

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C9/00—Special pavings; Pavings for special parts of roads or airfields
    • E01C9/04—Pavings for railroad level-crossings

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
KR2019880022092U 1988-12-30 1988-12-30 조립식 절연보판 KR920000422Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880022092U KR920000422Y1 (ko) 1988-12-30 1988-12-30 조립식 절연보판

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880022092U KR920000422Y1 (ko) 1988-12-30 1988-12-30 조립식 절연보판

Publications (2)

Publication Number Publication Date
KR900012298U true KR900012298U (ko) 1990-07-03
KR920000422Y1 KR920000422Y1 (ko) 1992-01-15

Family

ID=19282746

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880022092U KR920000422Y1 (ko) 1988-12-30 1988-12-30 조립식 절연보판

Country Status (1)

Country Link
KR (1) KR920000422Y1 (ko)

Also Published As

Publication number Publication date
KR920000422Y1 (ko) 1992-01-15

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19991217

Year of fee payment: 9

LAPS Lapse due to unpaid annual fee