將來之債權 債權 將來之應收帳款 應收帳款 將來債權或應收帳款之讓與 讓與人 受讓人 債務人 將來債權讓與之通知 履行或清償 債務人之抗辯與抵銷 強制執行及破產程序 重複讓與時何一受讓人優先受讓 Future claims Claims Future claims or accounts receivable Claims or accounts receivable Assignment of a future claims or accounts receivable Assignment of a claims or accounts receivable Assignor Assignee Debtor Notice to the debtor Perform or fulfill Debtor's defenses or rights to set-off Procedure of enforcement or bankruptcy Priority Successive assignments