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出典:Wikipedia
出典:『Wikipedia』 (2011/05/18 09:52 UTC 版)
Simcha Blass (or Symcha Blass; November 27, 1897 – July 18, 1982; Hebrew: שמחה בלאס) was an Israeli water engineer, a main figure of water development in Israel, initiator, introducer and developer of new drip irrigation systems, inventor of new dripper (with his son Yeshayahu).
Simcha Blass