ES257864Y - Escalera de caracol mejorada - Google Patents

Escalera de caracol mejorada

Info

Publication number
ES257864Y
ES257864Y ES1981257864U ES257864U ES257864Y ES 257864 Y ES257864 Y ES 257864Y ES 1981257864 U ES1981257864 U ES 1981257864U ES 257864 U ES257864 U ES 257864U ES 257864 Y ES257864 Y ES 257864Y
Authority
ES
Spain
Prior art keywords
snail
staircase
improved
snail staircase
improved snail
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.)
Expired
Application number
ES1981257864U
Other languages
English (en)
Other versions
ES257864U (es
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 ES1981257864U priority Critical patent/ES257864Y/es
Publication of ES257864U publication Critical patent/ES257864U/es
Application granted granted Critical
Publication of ES257864Y publication Critical patent/ES257864Y/es
Expired legal-status Critical Current

Links

ES1981257864U 1981-04-24 1981-04-24 Escalera de caracol mejorada Expired ES257864Y (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES1981257864U ES257864Y (es) 1981-04-24 1981-04-24 Escalera de caracol mejorada

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES1981257864U ES257864Y (es) 1981-04-24 1981-04-24 Escalera de caracol mejorada

Publications (2)

Publication Number Publication Date
ES257864U ES257864U (es) 1981-11-16
ES257864Y true ES257864Y (es) 1982-12-01

Family

ID=8414582

Family Applications (1)

Application Number Title Priority Date Filing Date
ES1981257864U Expired ES257864Y (es) 1981-04-24 1981-04-24 Escalera de caracol mejorada

Country Status (1)

Country Link
ES (1) ES257864Y (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115072823B (zh) * 2022-06-14 2023-12-29 山东华宇工学院 一种太阳能海水淡化装置及方法

Also Published As

Publication number Publication date
ES257864U (es) 1981-11-16

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