1ый запрос:
SELECT kl_kod, kl_nam, kl_kodstr, ml_kodv, ml_lc, ml_bs, ml_dateo FROM 
dbmaslc dbmaslc LEFT OUTER JOIN klient klient on dbmaslc.ml_kodkl=klient.kl_kod WHERE
kl_kod>1 AND kl_stat=1 AND ml_bs<>'20004' AND ml_datez is NULL

2ой запрос:
SELECT c.kl_kod, c.kl_nam, 
s.p_kl_kod, s.p_name, s.p_citizen FROM 
klient c JOIN spromoter s ON c.kl_kod = s.P_kl_kod WHERE 
kl_kod>1 AND p_status='Д' ORDER BY kl_kod

SELECT k.[kl_kod], k.[kl_nam], k.[kl_kodstr], m.[ml_kodv], m.[ml_lc], m.[ml_bs], m.[ml_dateo],
s.[p_kl_kod], s.[p_name], s.[p_citizen] FROM DBMASLC m LEFT OUTER JOIN
KLIENT k ON k.[kl_KOD] = m.[ml_kodkl] 
JOIN (SELECT s.[p_kl_KOD], s.[p_name], s.[p_citizen] FROM SPROMOTER) AS s ON s.[p_kl_KOD] = k.[kl_KOD]
WHERE kl_kod>1 AND kl_stat=1 AND ml_bs<>'20004' AND p_status='Д' AND ml_datez is NULL ORDER BY kl_kod

SELECT 
--нужные поля, с алиасами
FROM 
dbmaslc d  inner JOIN klient k 
on d.ml_kodkl=k.kl_kod AND d.ml_bs<>'20004' AND d.ml_datez is NULL
left join
SPROMOTER s  
on k.kl_kod=s.kl_kod and s. p_status='Д' 
WHERE
k.kl_kod>1 AND k.kl_stat=1 

d.ml_datez is NULL